Door-lifting device



March 10. 1925.

F. H. W lLBUR DooR LIFTING nsvrcs Filed March 30, 1923 ATTOR N EY.

Patented Mar. 10, 1925.

FREDERICK H7 WILBUR. 01- BLNGHAMTON. NEW YORK.

DOOBFLIFTING DEVICE.

Application filed March 30 1923.

Be it known that I, Fnnmgnrex Hr W n BUR. a eitizen f the United Statesof America, of Binghaniton, in th county of Br wne n the State f NewYork. have inVentedheW and useful Liiproveinents 1n Door-LiftingDeViCPS. Of Which the f llowmg taken in onneetion wrth the aeeonrpanyingdrawings. is a full, clean and ex- :u-t. description. v

This invention relates t a d or liftnt; lB lCQ adapted to he, used moreiziiii 'jiilfiil) in cOnnPPilQir with 5 'lllgi Il; door: for garages andanalogous buildings where the doors are usuall wide and li -;1\ and aremore 01 less liable to Sm; to .suvh an extent as to interfere with theirfree operation unless some. provision is made f r supporting and liftingth m when opened.

Tln main Object f this invention 1& to provide simple and etlieientmeans for supporting and lifting the d r clear of the garage floor rapproach thereto as the door iS opened and closed, and partivulurl) whenopened so as to avoid fricti n with the floor if the (li' i r pensiliWaldlY and t avoid friction with the appr mh of sn w and ive thereonif the door opens outwardly.

In other Words, I have sought to hinge the door to the frame in suchmanner that it may he moved vertically relatireh to the frame bysuitable 1 e1atin; means provided therel'or which also permits th do r tdrop against or in close proxinnt t the sill when cl sed.

Other objects and uses relating to specific parts of the device will hehrought out in the following deseription In the drawings:

Figure 1 is a face view of an cuitwardly swinging do r and adj-wentmjirtion of the frame, partly in seetioir showing a niodified form of myinvention in which the door may he raised wh n l sed preparatory tpening the same Figure 2 is a rertieal sectional view, partly brok naway. taken on line 4-l. Figure 1.

Figure is an enlarged fi 'fi nal \"PW taken on line 5-5 Figure 1' Figure4 is an enlarged detzul .ser-tional vi w, partly br k n '.\W:\ talren online Figure 1.

In Figures 1 to 4 inclusive, is shown a Serial No 628,803

I. t d or frame f:2 of a garage or other huilding "..1 for receivingn'door 23 whrli is hinged along one of its upright dges to the adjheentSide of the fluiii by hinge seetions and :'J5- and a pivotal pin or holt--26 extending through r gistering openings in the seetions i-l}- find..5r

The lower end f the hinge bolt r liilitle 26 is seated in the sill as"Z7- and has it: llpl fl tl l l extended some distance ahore theuprwruiost hinge Sectihn if t permit the door to he itiifie tl a lllllltftl (lisfzin 'e clear of the sill or floor Without (liS- engaging thehinge sections from the holt.

This door is adapted t swing outwardly from its elosed position againstthe lintel as -2$- and is provided with loel; pins E3U find J projectingres iiectively Iielorr its lower edge and ahove its upper edge near thefree upright edge opposite that Which is hinged to the door frairie Thelower loeking nieniher is adapted to enter 1| sooket -31 in' the Sill ffl or 2T- while the upper locking member I30 adapted to enter a similarsocket -332 in the upper side of the lint'el -JS for holding the door inits closed positi n ilgilillsi flfig'irlrgnt fil A bracket 3?- is hingedat one end to h upright holt Z6 to swing horizonall and is pref rably liifur ate 'l to n rmally rest u H ll suprmrting sevti ns 3+ which arehinged to the adjacent upright member of the door frame and embrace iherod or bolt i' as shown in Figure Th olilmSite oi iiinPl end Of thehracket -3 extends from the bolt 26 suhstantiallr half way across theface of the door and is held in close proximity to said doo by a guideplate -I" F which is secured to the door to f rm therewith, 1tlengthwise slot of suflieient vertical height t permit the do r to heIfiised and lowered relatively to the l. raeket.

A hand lever 3 is piv ted intermediate its ends at -F1T to the door andhas its nd opp site the handle c nnected hy a, link 3$ t the inner end fthe hrfujh'et the arm of the l v r h tWeeii the link -:IS- and fllhlllli 3T- heing nsiderahly sh rter than the handle p rti n of the lever tenahle th d r to he raised easily by the operator.

That is, assuming that the door is closed and its lockin members -Q9-and 30- are seated in their respective sockets -3land -32 then byraising the handle end of the lever -36 upwardly will cause acorresponding upward movement of the door relatively to the frame andbracket suflicient to withdraw the locking members 29 and -30 from theirrespective sockets 3l and -32 whereupon the elevated door with the leverthereon may be swung upon its hinge connections to an open position withits lower edge a considerable distance above the approach or sill.

The link 38- normally stands in a substantially vertical position whilethe lever -36- is adapted to rock not only between the position shown bydotted lines in Figure 3, but. beyond to approximately the verticalplane of the link --38- thereby bringing the pivot or fulcrum 37 nearlyor directly over the pivotal connection as -39 between said lever andlink.

I claim:

1. The combination with a door frame and a door hinged along one of itsupright edges to the frame, the hinge connection including an uprightpivotal bolt, a bracket lying in close proximitv to one face of the doorand having one end hinged to the pivotal bolt and its other end extendedto a point substantially midway between the opposite upright edges ofthe door, a guide plate secured to the door and impressing the inner endof the bracket to hold the same against lateral swinging movementrelatively to the door, said guide being of sufficient vertical heightto permit the door with the guide thereon to be raised and loweredrelatively to the bracket, means for supporting the outer end of thebracket against downward movement, and means operatively connected tothe inner end of the bracket and to the door and operable at will forraising and lowering the door relatively to said bracket.

2. The combination with a door frame and a door, a pivotal boltextending vertically along one of the upright edges of the door, hingesections connected respectively to the door and to the frame, the hingesec tions on the door being journaled on the pivotal bolt, a brackethinged to the pivotal bolt and extended partially across the door inproximity thereto. a hand lever pivoted to the door between the uprightedges there of, and a link connecting said lever with the bracketwhereby movement of the lever about its fulcrums on the door will betransmitted to said door for raising and lowering the same.

3. The combination with a door frame and a door hinged to the frame toswing about a vertical axis, a bracket hinged to the frame to swingabout a vertical axis and extended part way across the door, a linkconnected to the bracket, and a. hand lever pivoted to the door andoperatively con nected to the link to swing about a horizontal axis forraising and lowering the door.

4. The combination with a door frame and a door hinged to the frame toswing about a vertical axis, a bracket hinged to the frame to swingabout a vertical axis and extended part way across the door, a linkconnected to the bracket, and a hand lever pivoted to the door andoperatively connected to the link to swing about a horizontal axis forraising and lowering the door, and a guide on the door embracing aportion of the bracket for holding the door and bracket against relativeswinging movement.

In witness whereof I have hereunto set my hand this 14 day of March,1923.

FREDERICK H. WILBUR.

Witnesses:

F. W. WHIPPLE. JEAN C. PETTIS.

